Arlene RD over Clark Fork 105

Fair Condition50 years old164 vehicles/day

Location

StateMontana
CountyMissoula
Location24m SE Missoula
CarriesArlene RD
CrossesClark Fork 105
Coordinates46.71764, -113.58911

Condition Ratings

Overall ConditionFair
Deck7 (Good)
Superstructure7 (Good)
Substructure5 (Fair)
Channel/Waterway6 (Satisfactory)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialPrestressed Concrete
DesignTee Beam
Total Length133.9 ft (40.8 m)
Max Span60.0 ft (18.3 m)
Deck Width12.1 ft (3.7 m)
Deck Area151.0 sq m
Main Spans2
Year Built1976

Traffic

Avg Daily Traffic164 (2023)
Truck Traffic3%
Lanes On Bridge1

Inspection & Ownership

Last InspectionNovember 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberL32218001+05001

Nearby Bridges